Re: [PATCH v2] scsi: smartpqi_init: Reporting 'logical unit failure'

From: James Bottomley
Date: Fri Mar 01 2019 - 10:57:17 EST


On Fri, 2019-03-01 at 15:43 +0000, Erwan Velu wrote:
> Le 01/03/2019 Ã 16:26, James Bottomley a Ãcrit :
> > [...]
> > Shouldn't this be a variant of sdev/scmd_printk? Otherwise it
> > tells
> > you what disk in the array terms is the problem but not what device
> > in
> > your actual system is affected.
>
> Hey James,
>
> My initial take on that was that pqi_take_device_offline(), which is
> called just after, will print the "re-scanning " message with the
> same
> format.
>
> As they will be both printed in the same error context and one after
> the
> other, I though that would make sense to represent the same
> information
> to ease the reading like cause -> consequence.
>
> As the message is about the LUN itself, which is reported faulty, I
> though it would worth reporting the info that way.
>
> Shall I consider printing also the disk name in addition ?

I was thinking just

if (printk_ratelimit())
scmd_printk(KERN_ERR, scmd, "received 'logical unit failure' from controller for scsi %d:%d:%d:%d\n", ...

That will give all the necessary information

James